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ErrorBatchUpdate.java
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ErrorBatchUpdate.java
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package com.lineadecodigo.java.jdbc;
/**
* @file ErrorBatchUpdate.java
* @version 1.0
* @author Víctor Cuervo (http://lineadecodigo.com)
* @date 16/octubre/2016
* @url http://lineadecodigo.com/java/ejemplo-batchupdateexception/
* @description Como controlar un error en un Java Batch Update
*/
import java.sql.BatchUpdateException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;
public class ErrorBatchUpdate {
public static void main(String[] args) throws SQLException {
Connection con = null;
String sURL = "jdbc:mysql://localhost:3306/lineadecodigo";
try {
con = DriverManager.getConnection(sURL,"root","");
con.setAutoCommit(false);
PreparedStatement stmt = con.prepareStatement("CREATE TABLE temporal (numero TINYINT(1) NOT NULL)");
stmt.execute();
stmt.close();
stmt = con.prepareStatement("CREATE UNIQUE INDEX indicenumero ON temporal(numero)");
stmt.execute();
stmt.close();
// Valores cargar en la base de datos
int[] valores = {1,2,2,3,1,4,1,2};
try {
PreparedStatement carga = con.prepareStatement("INSERT INTO temporal VALUES (?)");
for (int x=0;x<valores.length;x++) {
carga.setInt(1, valores[x]);
carga.addBatch();
}
carga.executeBatch();
} catch (BatchUpdateException bue) {
int[] errores = bue.getUpdateCounts();
System.out.println("--Errores en el Batch--\n");
for (int x=0;x<errores.length;x++) {
if (errores[x] < 0)
System.out.print("Error insertando el valor " + valores[x] + " de la posición " + x + "\n");
}
}
con.commit();
stmt = con.prepareStatement("DROP TABLE temporal");
stmt.execute();
stmt.close();
} catch (SQLException sqle) {
System.out.println(sqle.getMessage());
con.rollback();
} finally {
if (con!=null) con.close();
}
}
}